TWl Checking with M&C for updated 2018 information Wilhelm, - - PowerPoint PPT Presentation

Slide 3

TWl

Checking with M&C for updated 2018 information

Wilhelm, Tyler, 1/10/2018

Crowned Ridge, 34-Mile 230 kV Transmission Line and Reactive Compensation Substation

The Crowned Ridge 230kV transmission line application is part one of a four part process to complete the transmission line and wind farms associated with 600 MWs of total wind generation The Crowned Ridge transmission line and reactive power compensation substation are necessary to successfully interconnect the two future wind farms to the grid NEER to permit; Shared ownership between NEER and NSP PUC filing: December 5, 2017

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Crowned Ridge II, 14-Mile 230 kV Transmission Line

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The Crowned Ridge 11 230kV transmission line application is part two of the four part process

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The Crowned Ridge II 230kV transmission line will connect the generation from the Crowned Ridge Wind 11 wind farm to the Crowned Ridge Wind collector substation where all 600 MWs are transported to the transmission grid along the Crowned Ridge transmission line

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NEER to permit; Ownership transferred to NSP upon commercial

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PUC filing : February/March 2018

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Projection: NAD 1!il83 UTM Zone 14N 10

Structure Type

Typical Application Structure Material Typical Structure Height Typical Foundation Typical Span Length (feet) (feet) Diameter Per Pole (feet)

Direct-Embedded Monopole

Tangent, LightAngle Galvanized Tubular Steel

140 6-10 600- 1000 Guyed, Direct-Embedded 2-Pole

Angles and Deadends Galvanized Tubular Steel

140 6-6 600- 1000 Self-Supporting 2-Pole

Angles and Deadends Galvanized Tubular Steel

140 8 -12 600- 1000

Transmission line description

Monopole Tangent Exhibit

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2-Pole Guyed Running Angle Exhibit